Protozoan cysts are

A. necessary for transmission to a new host.
B. part of all protozoan life cycles.
C. the primary form of replication.
D. analogous to bacterial endospores.
E. are produced by binary fission.


Answer: D

Biology & Microbiology

You might also like to view...

Male Jarrow’s spiny lizards ordinarily exhibit strong territoriality only during the ____ mating season, when elevated

blood levels of ____ stimulate their aggressive behavior.

a. summer; estrogen b. summer; testosterone c. autumn; octopamine d. autumn; estrogen e. autumn; testosterone

Biology & Microbiology

The largest human autosome is chromosome ________ and the smallest is chromosome ________

A) 1, 22 B) 1, 21 C) 1, Y D) X, 22 E) None of these

Biology & Microbiology

Vertical evolution, whereby living organisms evolve from a common ancestor ("tree of life"), is the only mechanism of evolution on Earth.

Answer the following statement true (T) or false (F)

Biology & Microbiology

When evolutionary biologists study the process of natural selection they focus on:

a. what drives mutations. b. how some trait of interest changes over time. c. how some trait of interest remains constant over time. d. A and B. e. B and C.

Biology & Microbiology